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(11)

EP 4 232 280 A1

(12)

(43) Date of publication: 30.08.2023 Bulletin 2023/35 (21) Application number: 20960095.6 (22) Date of filing: 26.10.2020

(51) International Patent Classification (IPC):  B32B 37/04(2006.01) H01H 85/05(2006.01) H01H 85/06(2006.01) B32B 37/06(2006.01) H01H 85/055(2006.01) H01H 85/18(2006.01) (52) Cooperative Patent Classification (CPC): H01H 85/18; H01H 2085/388 (86) International application number: PCT/US2020/057351 (87) International publication number: WO 2022/093173 (05.05.2022 Gazette 2022/18)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Littelfuse, Inc. Chicago, IL 60631 (US)	(72) Inventors: TSANG, Chun-Kwan Chicago, IL 60631 (US) DIETSCH, Gordon Todd Chicago, IL 60631 (US) SANTOS, Irma, Valeriano Chicago, IL 60631 (US) (74) Representative: Arnold & Siedsma  Bezuidenhoutseweg 57 2594 AC The Hague 2594 AC The Hague (NL)